pci_io.h File Reference

PCI I/O API. More...

#include <stdint.h>
#include <gpxe/api.h>
#include <config/ioapi.h>
#include <gpxe/efi/efi_pci.h>
#include <bits/pci_io.h>

Go to the source code of this file.

Defines
#define	PCIAPI_INLINE(_subsys, _api_func)   SINGLE_API_INLINE ( PCIAPI_PREFIX_ ## _subsys, _api_func )
	Calculate static inline PCI I/O API function name.
#define	PROVIDE_PCIAPI(_subsys, _api_func, _func)   PROVIDE_SINGLE_API ( PCIAPI_PREFIX_ ## _subsys, _api_func, _func )
	Provide a PCI I/O API implementation.
#define	PROVIDE_PCIAPI_INLINE(_subsys, _api_func)   PROVIDE_SINGLE_API_INLINE ( PCIAPI_PREFIX_ ## _subsys, _api_func )
	Provide a static inline PCI I/O API implementation.
Functions
	FILE_LICENCE (GPL2_OR_LATER)
int	pci_max_bus (void)
	Determine maximum PCI bus number within system.
int	pci_read_config_byte (struct pci_device *pci, unsigned int where, uint8_t *value)
	Read byte from PCI configuration space.
int	pci_read_config_word (struct pci_device *pci, unsigned int where, uint16_t *value)
	Read 16-bit word from PCI configuration space.
int	pci_read_config_dword (struct pci_device *pci, unsigned int where, uint32_t *value)
	Read 32-bit dword from PCI configuration space.
int	pci_write_config_byte (struct pci_device *pci, unsigned int where, uint8_t value)
	Write byte to PCI configuration space.
int	pci_write_config_word (struct pci_device *pci, unsigned int where, uint16_t value)
	Write 16-bit word to PCI configuration space.
int	pci_write_config_dword (struct pci_device *pci, unsigned int where, uint32_t value)
	Write 32-bit dword to PCI configuration space.

---

Detailed Description

PCI I/O API.

Definition in file pci_io.h.

---

Define Documentation

#define PCIAPI_INLINE	(	_subsys,
		_api_func		)	SINGLE_API_INLINE ( PCIAPI_PREFIX_ ## _subsys, _api_func )

Calculate static inline PCI I/O API function name.

Parameters:

	_prefix	Subsystem prefix
	_api_func	API function

Return values:

_subsys_func

Subsystem API function

Definition at line 23 of file pci_io.h.

#define PROVIDE_PCIAPI	(	_subsys,
		_api_func,
		_func		)	PROVIDE_SINGLE_API ( PCIAPI_PREFIX_ ## _subsys, _api_func, _func )

Provide a PCI I/O API implementation.

Parameters:

	_prefix	Subsystem prefix
	_api_func	API function
	_func	Implementing function

Definition at line 33 of file pci_io.h.

#define PROVIDE_PCIAPI_INLINE	(	_subsys,
		_api_func		)	PROVIDE_SINGLE_API_INLINE ( PCIAPI_PREFIX_ ## _subsys, _api_func )

Provide a static inline PCI I/O API implementation.

Parameters:

	_prefix	Subsystem prefix
	_api_func	API function

Definition at line 42 of file pci_io.h.

---

Function Documentation

FILE_LICENCE

(

GPL2_OR_LATER

)

int pci_max_bus

(

void

)

Determine maximum PCI bus number within system.

Return values:

max_bus

Maximum bus number

Referenced by pcibus_probe().

int pci_read_config_byte	(	struct pci_device *	pci,
		unsigned int	where,
		uint8_t *	value
	)

Read byte from PCI configuration space.

Parameters:

	pci	PCI device
	where	Location within PCI configuration space
	value	Value read

Return values:

rc

Return status code

Referenced by adjust_pci_device(), ath5k_probe(), atl1e_sw_init(), e1000_sw_init(), falcon_probe_nic_variant(), igb_sw_init(), pci_find_capability(), pcibus_probe(), rhine_probe1(), sis190_get_mac_addr(), sis190_get_mac_addr_from_apc(), sis630e_get_mac_addr(), sis900_probe(), sundance_probe(), tg3_get_invariants(), tulip_probe(), velocity_get_pci_info(), and vxge_probe().

int pci_read_config_word	(	struct pci_device *	pci,
		unsigned int	where,
		uint16_t *	value
	)

Read 16-bit word from PCI configuration space.

Parameters:

	pci	PCI device
	where	Location within PCI configuration space
	value	Value read

Return values:

rc

Return status code

Referenced by __vxge_hw_device_pci_e_init(), adjust_pci_device(), atl1e_reset_hw(), atl1e_setup_pcicmd(), bnx2_init_chip(), bnx2_set_power_state_0(), e1000_read_pci_cfg(), e1000_read_pcie_cap_reg(), e1000_sw_init(), e1000e_read_pcie_cap_reg(), igb_read_pcie_cap_reg(), igb_sw_init(), myri10ge_net_irq(), pci_bar_size(), pci_find_capability(), pci_set_power_state(), rtl_disable_clock_request(), rtl_tx_performance_tweak(), skge_reset(), tg3_get_invariants(), and tg3_set_power_state_0().

int pci_read_config_dword	(	struct pci_device *	pci,
		unsigned int	where,
		uint32_t *	value
	)

Read 32-bit dword from PCI configuration space.

Parameters:

	pci	PCI device
	where	Location within PCI configuration space
	value	Value read

Return values:

rc

Return status code

Referenced by dmfe_probe(), mac_address_from_string_specs(), mtnic_init_pci(), pci_backup(), pci_bar(), pci_bar_size(), pci_resource_flags(), pci_save_state(), pcibus_probe(), phantom_probe(), prism2_find_plx(), skge_reset(), ssb_pci_setup(), tg3_chip_reset(), tg3_get_invariants(), and tg3_read_mem().

int pci_write_config_byte	(	struct pci_device *	pci,
		unsigned int	where,
		uint8_t	value
	)

Write byte to PCI configuration space.

Parameters:

	pci	PCI device
	where	Location within PCI configuration space
	value	Value to be written

Return values:

rc

Return status code

Referenced by adjust_pci_device(), ath5k_probe(), mac_address_from_string_specs(), rhine_probe1(), rtl8169_init_phy(), rtl_hw_start_8169(), sis190_get_mac_addr_from_apc(), sis630e_get_mac_addr(), and tg3_get_invariants().

int pci_write_config_word	(	struct pci_device *	pci,
		unsigned int	where,
		uint16_t	value
	)

Write 16-bit word to PCI configuration space.

Parameters:

	pci	PCI device
	where	Location within PCI configuration space
	value	Value to be written

Return values:

rc

Return status code

Referenced by __vxge_hw_device_pci_e_init(), adjust_pci_device(), atl1e_reset_hw(), atl1e_setup_pcicmd(), bnx2_init_chip(), bnx2_set_power_state_0(), e1000_pci_clear_mwi(), e1000_pci_set_mwi(), e1000_write_pci_cfg(), igb_write_pcie_cap_reg(), myri10ge_net_irq(), pci_bar_size(), pci_set_power_state(), rtl_disable_clock_request(), rtl_hw_start_8101(), rtl_tx_performance_tweak(), skge_reset(), tg3_get_invariants(), and tg3_set_power_state_0().

int pci_write_config_dword	(	struct pci_device *	pci,
		unsigned int	where,
		uint32_t	value
	)

Write 32-bit dword to PCI configuration space.

Parameters:

	pci	PCI device
	where	Location within PCI configuration space
	value	Value to be written

Return values:

rc

Return status code

Referenced by atl1e_setup_pcicmd(), bnx2_init_board(), davicom_probe(), mac_address_from_string_specs(), pci_bar_size(), pci_resource_flags(), pci_restore(), pci_restore_state(), phantom_probe(), restore_config(), sis900_probe(), skge_reset(), ssb_pci_setup(), tg3_chip_reset(), tg3_get_invariants(), tg3_read_mem(), tg3_set_power_state_0(), tg3_write_indirect_reg32(), tg3_write_mem(), and tulip_probe().